Add accessors for edge function data

Author: Brandon Sneed

Segment/Classes/SEGAnalytics.h

@@ -3,6 +3,7 @@
 #import "SEGCrypto.h"
 #import "SEGAnalyticsConfiguration.h"
 #import "SEGSerializableValue.h"
+#import "SEGMiddleware.h"
 
 NS_ASSUME_NONNULL_BEGIN
 
@@ -218,6 +219,9 @@ NS_SWIFT_NAME(Analytics)
 /** Returns the registered device token of this device */
 - (NSString *)getDeviceToken;
 
+/** Returns the configured Edge Function value */
+- (nullable id<SEGEdgeFunctionMiddleware>)edgeFunction;
+
 @end
 
 NS_ASSUME_NONNULL_END

Segment/Classes/SEGAnalytics.m

@@ -562,4 +562,9 @@ - (void)run:(SEGEventType)eventType payload:(SEGPayload *)payload
     [self.runner run:context callback:nil];
 }
 
+- (id<SEGEdgeFunctionMiddleware>)edgeFunction
+{
+    return _oneTimeConfiguration.edgeFunctionMiddleware;
+}
+
 @end

Segment/Classes/SEGMiddleware.h

@@ -74,5 +74,8 @@ NS_SWIFT_NAME(EdgeFunctionMiddleware)
 @property (nonatomic, readonly, nullable) NSArray<id<SEGMiddleware>> *sourceMiddleware;
 @property (nonatomic, readonly, nullable) NSArray<SEGDestinationMiddleware *> *destinationMiddleware;
 - (void)setEdgeFunctionData:(NSDictionary *_Nullable)data;
+- (void)addToDataBridge:(NSString * _Nonnull)key value:(id _Nonnull)value NS_SWIFT_NAME(addToDataBridge(key:value:));
+- (void)removeFromDataBridge:(NSString * _Nonnull)key NS_SWIFT_NAME(removeFromDataBridge(key:));
+- (NSDictionary<NSString *, id> * _Nonnull)dataBridgeSnapshot;
 @end